9974686864799 has 2 divisors, whose sum is σ = 9974686864800. Its totient is φ = 9974686864798.

The previous prime is 9974686864697. The next prime is 9974686864801.

9974686864799 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 9974686864799 - 2¹⁶ = 9974686799263 is a prime.

Together with 9974686864801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9974686864999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4987343432399 + 4987343432400.

It is an arithmetic number, because the mean of its divisors is an integer number (4987343432400).

Almost surely, 2^{9974686864799} is an apocalyptic number.

9974686864799 is a deficient number, since it is larger than the sum of its proper divisors (1).

9974686864799 is an equidigital number, since it uses as much as digits as its factorization.

9974686864799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71108222976, while the sum is 92.

The spelling of 9974686864799 in words is "nine trillion, nine hundred seventy-four billion, six hundred eighty-six million, eight hundred sixty-four thousand, seven hundred ninety-nine".